They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Mercury: Pictures capture icy craters and sunlit plains of solar system's smallest planet. The close-up images reveal craters, the floors of which are in permanent shadow, and vast sunlit northern ...

Mercury, Venus, Earth and Mars are known collectively as the rocky planets, in contrast the Solar System’s gas giants—Jupiter, Saturn, Uranus and Neptune. (Pluto is an ice dwarf, which makes ...

Stunning pictures of Mercury have been published revealing the sunlit plains and possibly icy craters of the smallest planet in the solar system. Three pictures taken by the BepiColombo spacecraft ...